CN208445827U - Composite aluminum substrate - Google Patents

Abstract

The utility model belongs to wiring board technology field more particularly to a kind of composite aluminum substrate.It solves the problems such as prior art design is unreasonable.This composite aluminum substrate includes aluminium sheet, the insulating trip for being equipped with several through-holes on aluminium sheet and being arranged in each through-hole, several strip grooves being parallel to each other are equipped on any one surface of aluminium sheet, it is also connected with prepreg on one side equipped with strip groove in aluminium sheet, the prepreg is equipped with copper foil far from the one side of strip groove.Utility model has the advantages that can be improved adhesive strength and production efficiency can be improved.

Description

Composite aluminum substrate

Technical field

The utility model belongs to wiring board technology field more particularly to a kind of composite aluminum substrate.

Background technique

In LED illumination lamp field, generally using aluminium-base composite plate as substrate then driving can be set on substrate Circuit and the LED illuminator being connected on driving circuit.

It generally uses glue or Semi-dry Gel to carry out the connection between two layers to existing aluminium-base composite plate, meanwhile, on aluminium sheet Insulating trip its use sucker to carry out indentation assembling from top to bottom.

Although it can satisfy production requirement to above-mentioned technique to a certain extent, above-mentioned technique its also at least It has following defects that

1, glue or Semi-dry Gel its influence packaging efficiency, cause production efficiency lower.

2, integrally-built adhesion intensity is poor, there are phenomena such as tilting etc..

Utility model content

The purpose of this utility model is in view of the above-mentioned problems, providing one kind can be improved adhesive strength and can improve production effect The composite aluminum substrate of rate.

In order to achieve the above objectives, the utility model uses following technical proposal:

This composite aluminum substrate includes aluminium sheet, the insulating trip for being equipped with several through-holes on aluminium sheet and being arranged in each through-hole, Several strip grooves being parallel to each other are equipped on any one surface of aluminium sheet, it is partly solid to be equipped with being also connected on one side for strip groove in aluminium sheet Change piece, the prepreg is equipped with copper foil far from the one side of strip groove.

Using the structure of strip groove, contact area can be expanded, and increase storage glue amount, not only can be further improved The connection structure intensity of junction, but also can be to avoid excessive glue phenomenon.

The prepreg of design, not only can be improved the structural strength of junction, but also can be further improved group Fill production efficiency.

In above-mentioned composite aluminum substrate, the aluminium sheet is equipped with partial veil far from the one side of strip groove.

The design of partial veil can play good protective action, can further prolong the service life and service performance.

In above-mentioned composite aluminum substrate, the through-hole is circular through hole, and the insulating trip is round insulation piece, institute The insulating trip stated is embedded in through-hole.

The structure its saved convenient for the optimization of punching processing and material.

In above-mentioned composite aluminum substrate, the insulating trip thickness is equal to the thickness of aluminium sheet, and insulating trip is embedded in through-hole In after the insulating trip both ends of the surface flushed with two surfaces of aluminium sheet.

The design of the structure may insure whole quality.

In above-mentioned composite aluminum substrate, the strip groove is arranged along the length direction interval of aluminium sheet.

Its manufacture easy to process of the structure.

Alternatively scheme, in above-mentioned composite aluminum substrate, the strip groove along aluminium sheet width direction Interval setting.

In above-mentioned composite aluminum substrate, the bar shaped groove deep is less than 1mm.

In above-mentioned composite aluminum substrate, the prepreg is 1080 type prepregs.

In above-mentioned composite aluminum substrate, the aluminium sheet periphery is flushed with the periphery of prepreg.

In above-mentioned composite aluminum substrate, the prepreg periphery is flushed with the periphery of copper foil.

In above-mentioned composite aluminum substrate, the periphery of the aluminium sheet periphery and partial veil is flushed.

According to LED circuit board made from the composite aluminum substrate.

Compared with prior art, utility model has the advantages that

1, using the structure of strip groove, contact area can be expanded, and increase storage glue amount, not only can further be mentioned The connection structure intensity of high junction, but also can be to avoid excessive glue phenomenon.

The prepreg of design, not only can be improved the structural strength of junction, but also can be further improved group Fill production efficiency

2, structure is simple and easy to manufacture.

3, the structure of the fixed cylinder collaboration elevator designed, can be omitted the structure of sucker, can not only be greatly reduced The investment of cost, but also production efficiency can be improved, design is more reasonable and practicability is stronger.

4, by design friction cylinder and friction teeth, the structure of cooperative transmission roller, the process mobile in aluminium sheet may be implemented In the processing of friction surface can be completed, not only increase production efficiency, and further reduce labor intensity, meanwhile, Further improve the uniformity of processing.

The inclined blowing device of design can clear up the waste material after friction, automatically after virtually improving aluminium sheet Continuous cleaning efficiency.

5, the annular groove designed cooperates with the soft band of annular plastics, not only ensures the ride comfort of movement, but also further Reduce the contact area with copper foil, production efficiency can be greatly improved.

The cantilevered carrying roller of design cooperates with annular engagement slot, may insure the stability of the soft band operation of annular plastics, keeps away Having exempted from freely to hang etc. causes copper foil to transmit irregularity.

6, using device is forced upward into, it can replace manipulator to complete the feeding of indentation and indentation movement, no Improve only production efficiency, but also significantly reduce production cost, meanwhile, whole process its design more rationally and practicability It is stronger.

Detailed description of the invention

Fig. 1 is flow diagram provided by the utility model.

Fig. 2 is composite aluminum substrate structural schematic diagram provided by the utility model.

Fig. 3 is aluminium sheet structural schematic diagram provided by the utility model.

Fig. 4 is provided by the utility model to be forced upward into apparatus structure schematic diagram.

Fig. 5 is that the tracheae provided by the utility model that increases is forced upward into apparatus structure schematic diagram.

Fig. 6 is slot grinding processing unit (plant) structural schematic diagram provided by the utility model.

Fig. 7 is friction cylinder structural schematic diagram provided by the utility model.

Fig. 8 is circumferentially fixed structural schematic diagram provided by the utility model.

Fig. 9 is baffle arrangement schematic diagram provided by the utility model.

Figure 10 is apparatus for feeding structural schematic diagram provided by the utility model.

Figure 11 is material absorbing structure schematic diagram provided by the utility model.

Figure 12 is suction partial structural diagram provided by the utility model.

Figure 13 is blanking structure schematic diagram provided by the utility model.

Figure 14 is robot manipulator structure schematic diagram provided by the utility model.

Figure 15 is LED circuit board structural schematic diagram provided by the utility model.

Specific embodiment

It is the specific embodiment of utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further Description, but the utility model is not limited to these examples.

As shown in Figure 1-3,

The production technology of this composite aluminum substrate includes following production stage:

A, punching, punching goes out several through-holes 11 through aluminium plate thickness direction on aluminium sheet 1；

Punching is punched out processing using punching press and mold.

B, it inlays, aluminium sheet 1 is fixed by level, then inlays in each through-hole 11 by being forced upward into device for insulating trip In 2 indentations to through-hole, the both ends of the surface of aluminium sheet and the amount end face of insulating trip, the device that is forced upward into will be under aluminium sheet Side；

C, nog plate, the aluminium sheet level in step B is fixed, upper surface and insulating trip by slot grinding processing unit (plant) in aluminium sheet Upper surface process several strip grooves 12；

D, it cleans, the aluminium sheet in step C is cleaned using alkaline water；

E, cover, by the aluminium sheet level fixation in D step and aluminium sheet is equipped with the one side of strip groove upward, then again will be partly solid Change piece 4 and is fixed on the one side that aluminium sheet is equipped with strip groove；

F, fixation send copper foil 5 to the one side to prepreg far from aluminium sheet by copper foil apparatus for feeding, then passes through hot pressing The aluminium sheet and copper foil are fixed together, that is, form the composite aluminum substrate.

H, partial veil 6 is overlayed on one side of the aluminium sheet in step F far from strip groove by overlay film.

J, vacuum pressing-combining is formed, and is prepared two blocks of sizing steel plates 6, is first horizontally arranged one block of sizing steel plate 6, then will be upper The upper surface that the composite aluminum substrate in step H is placed in the sizing steel plate 6 is stated, then again covers other one piece of sizing steel plate 6 The length and width of the upper surface of composite aluminum substrate, sizing steel plate 6 is longer than the length and width and two pieces of composite aluminum substrate respectively Annular groove is formed between sizing steel plate 6 and composite aluminum substrate, will be fed through very by two pieces of composite aluminum substrates that steel plate 6 clamps of being formed Vacuum pressing-combining is carried out in air compressor machine, disassembly sizing steel plate 6 after pressing, that is, composite aluminum base board finished product is made.

The strip groove of the embodiment of the present invention is parallel to each other and the depth of strip groove is less than 1mm.

Specifically, as illustrated in figures 4-5, the device that is forced upward into of the present embodiment includes in the fixed cylinder f1 being vertically arranged, institute The fixed cylinder f1 stated is made of stainless steel material.

It is connected with fixed structure in the lower end of fixed cylinder f1, specifically, the fixed structure of the present embodiment includes being connected to admittedly The ring flange f12 of the lower end safety barrel f1.

It is equipped in fixed cylinder f1 in horizontally disposed elevator f2 and the fixed cylinder f1 inner wall is with elevator f2's Guide frame is equipped between circumferential direction, specifically, the guide frame of the present embodiment includes setting in fixed cylinder f1 inner wall and along solid The guide groove that safety barrel f1 is axially arranged is circumferentially with the guide protrusions being stuck in guide groove one by one in elevator f2.

Further, the guide groove is V-shaped groove, and the guide protrusions are v-shaped structure, the V-shaped groove and V-arrangement Structure is mutually matched.

It is gas that the lift actuator f3, the lift actuator f3 being located at below elevator f2 are equipped in fixed cylinder f1 Any one in cylinder and oil cylinder.The lift actuator f3 is connect with the lower end surface of elevator f2, in the upper of fixed cylinder f1 Inner orifice is held to be equipped with chamfering f11.

Locating piece is equipped with inside the lower end fixed cylinder f1, the lift actuator f3 is fixed on the positioning block table Face.

The ring pipe f4 being equipped with inside the lower end fixed cylinder f1 between elevator f2 and lift actuator f3, It is connected with several blower f41 being arranged upward on the ring pipe f4 and the ring pipe f4 is connect with gas supply gas source. Supplying gas source includes air pump.

The blower f41 quantity is equal with the quantity of guide groove and the air outlet of blower f41 is towards guide groove.

The chamfering f11 is any one in circular arc chamfering and chamfer bevel.

The working principle of the present embodiment is as follows:

Lift actuator f3 driving elevator f2 rises to the upper end lower position of fixed cylinder f1, that is, forms an insulation The position of piece thickness, at this point, manually place insulating trip on the position, and the further driving of lift actuator f3 then drives Elevator f2 is upwardly separated from the upper end fixed cylinder f1 and insulating trip is pressed into the punching of aluminium sheet, that is, completes assembling.

Specifically, as Figure 6-9, the slot grinding processing unit (plant) of the present embodiment includes job platform a1, job platform a1's Upper surface is equipped with to the inclined inclined surface in two sides.

Several delivery roll a2 being arranged along job platform a1 length direction are equipped on job platform a1, in delivery roll a2 Surface is equipped with stainless steel coating layer.The design of stainless steel coating layer, which raises wear-resisting properties, but also are convenient for subsequent maintenance Just change.

Specifically, stainless steel coating layer is made of one piece of stainless steel plate curling.

It is equipped with catching groove on the inside of one end of stainless steel plate, is equipped in the other end of stainless steel plate and is mutually detained with the catching groove The convex buckle of conjunction.

By above-mentioned structure, it may be implemented to dismount.

It is equipped with the fixing axle a3 being located at right above any one delivery roll a2 on job platform a1, is covered on fixing axle a3 Equipped with the friction cylinder a4 with the circumferentially fixed connection of fixing axle a3, an at least row is equipped on friction cylinder a4 along friction cylinder a4 long The friction teeth a41 of direction setting is spent, the delivery roll a2 immediately below fixing axle a3 is connect with rotary drive mechanism, specifically, The rotary drive mechanism of the present embodiment includes driving motor, and the driving motor passes through gear transmission structure and above-mentioned transmission Roller a2 connection.

Gear transmission structure includes driving gear and engages the driven gear of connection with driving gear, and driven gear is fixed on On delivery roll a2, driving gear is fixed on driving motor.

The inclined blowing device a5 being located above delivery roll a2 and inclined blowing device are equipped on job platform a1 Waste cut materials after a5 is used to contact friction teeth a41 with aluminium sheet are blown off aluminium sheet.

Specifically, the inclined blowing device a5 of the present embodiment includes lifting pipe a51, if being connected on lifting pipe a51 The dry blowing mouth a52 being arranged diagonally downward, lifting pipe a51's is closed at one end, and the other end is connect by hose with gas source, described Lifting pipe a51 with lifting starter a53 connect.

Going up and down starter a53 is cylinder or oil cylinder.

Several row's friction teeth a41 are equipped in the length direction of friction cylinder a4.

The design of several rows can be replaced after wherein row's serious wear to another row's friction teeth a41.

The baffle a6 positioned at the two sides job platform a1 is additionally provided on job platform a1, on the inner side edge of every block baffle a6 It is respectively equipped with magnetic strips a7.The baffle a6 of prioritization scheme, the present embodiment is made of metal material and magnetic strips a7 and baffle a6 magnetic Property connection.

Several circumferential lock groove a42 being arranged along friction cylinder a4 length direction are equipped in friction cylinder a4 inner wall, in fixation Axis a3 is equipped with a locking protrusion a31 being mutually matched with any one circumferential direction lock groove a42.

Further, closing block a43 is equipped in phase the same end of each circumferential lock groove a42, the one of locking protrusion a31 End inserts in circumferential lock groove a42 to be contacted with closing block a43, is set in locking protrusion a31 with the one end being in contact closing block a43 There is magnetic patch one, magnetic patch two, the magnetic patch one and the magnetic connection of magnetic patch two are equipped on closing block a43.

The working principle of the present embodiment is as follows:

Aluminium sheet passes through between friction cylinder a4 and delivery roll a2, and aluminium sheet at the uniform velocity moves forwards, at this time rubbing on friction cylinder a4 It wipes tooth a41 then to rub to aluminium sheet upper surface, that is, process the groove body being parallel to each other in aluminium sheet upper surface.

Specifically, as shown in figures 10-13, the copper foil apparatus for feeding of the present embodiment includes rack b1, specifically, the present embodiment Rack b1 include four columns, cross is connected between four columns, between each end of cross and column Equipped with reinforcing rib.

It is equipped with two roller b2 for being located in the same horizontal plane and being parallel to each other on the rack, roller b2 is by stainless steel Material is made.That is, intermediate spindle and the stainless steel outer cylinder being set on main shaft, circumferentially fixed company between main shaft and stainless steel outer cylinder It connects.

For example, the fit structure of internal spline and external splines.

Several evenly spaced annular groove b21, the spacing of two neighboring annular groove b21 are respectively equipped on every roller b2 It is gradually reduced from the middle part of roller b2 to the both ends of roller b2.

For annular groove b21 on two roller b2 in being correspondingly arranged two-by-two, mechanism further includes the soft band b3 of several annular plastics, The soft band b3 of annular plastics is made of a plastic wire.An annular plastics are surrounded between corresponding annular groove b21 two-by-two Soft band b3 is respectively equipped with several evenly spaced cantilevered carrying roller b4 in the two sides of rack b1, and cantilevered carrying roller b4 is by plastics system At.Several spaced annular engagement slot b41, part-toroidal plastic soft zone b3 are respectively equipped on every cantilevered carrying roller b4 It is stuck in the annular engagement slot b41.

The soft band b3 of annular plastics is solid construction or is tubular structure.

The spacing of the adjacent soft band b3 of two annular plastics is gradually reduced from the middle part of rack b1 to the two sides of rack b1.

Any one roller b2 is connect with device of rotation driving.

Specifically, the device of rotation driving of the present embodiment includes being connected to the servo motor b5 being fixed on the rack, described Servo motor b5 connect with one end of the roller b2 by belt drive structure.

The charging sensor positioned at the soft band b3 feed end of annular plastics is equipped on rack b1.

The working principle of the present embodiment is as follows:

Copper foil enters from the soft band b3 feed end of annular plastics, and then driving roller b2 is rotated device of rotation driving at this time, together When drive annular plastics soft band b3 rotation, that is, copper foil can be transported to the discharge end of the soft band b3 of annular plastics.

The copper foil Feed Shut-Off mechanism positioned at the soft band b3 feed end of annular plastics is equipped on rack b1, the two of rack b1 Side is respectively equipped with copper foil suction device and the copper foil suction device is symmetrical arranged.

Specifically, as shown in figure 13, copper foil Feed Shut-Off mechanism includes two symmetrically arranged mounting base d1, and connection It between two mounting base d1 and is in horizontally disposed elevating lever d2, elevating lever d2 is connect with lifting drive, the liter Dropping driving device includes two spaced driving cylinders.

Two driving cylinder simultaneously operations.

It is equipped with several cantilever lever d3 on elevating lever d2, and is connected to the linkage beam d4 of cantilever lever d3 free end, it is described Cantilever lever d3 be fixed on elevating lever d2 by fastener.

The linkage beam d4 is made of aluminum profile interception.

It is equipped with Blind locating holes d41 in the linkage lower surface beam d4, mechanism further includes that part inserts in cutting in Blind locating holes d41 Knife d5 is equipped with several pressure spring d6 between the upper surface of cutter d5 and the bottom hole of Blind locating holes d41, and two are equipped on cutter d5 A interval setting and the strip-shaped hole d51 for running through cutter d5 thickness direction, are equipped on linkage beam d4 and insert in the bar shaped one by one Body of bolt d7 in the d51 of hole.

Mounting flange d11 is respectively equipped in the lower end of each mounting base d1.Fixing bolt is worn in mounting flange d11, So as to be fixed.

The elevating lever d2 transversal cross-section is in rectangle.

The linkage upper surface beam d4 is equipped with baffle d8, and the width of baffle is greater than the width of linkage beam d4.

The baffle lower surface two sides are equipped with discharge pipe d81, and two discharge pipe d81 are in parallel, on every discharge pipe d81 It is connected with downward extended blowing mouth d82.

The upper surface cutter d5 is equipped with several blind holes one, is equipped with and the blind hole in the bottom hole of Blind locating holes d41 One one-to-one blind hole two, the lower end of pressure spring insert in blind hole one, and the upper end of pressure spring inserts in blind hole two.

The wear-resistant sleeve with the circumferentially fixed connection of body of bolt d7 is arranged in the middle part of the body of bolt d7.The inner wall of wear-resistant sleeve is set There is internal spline, is equipped with external splines in the middle part outer wall of body of bolt d7, internal spline and external splines are intermeshed, and realize circumferentially fixed company It connects.

Specifically, as depicted in figs. 11-12, copper foil suction device includes in horizontally disposed lifting arm c1, the lifting Arm c1 is connect with lift drive mechanism.

Specifically, the lift drive mechanism of the present embodiment includes two lifting drivings for being connected to the both ends lifting arm c1 Cylinder c7.

It is connected with several pieces of cantilever slab c2 on lifting arm c1, and is connected to the transmission arm of the cantilever slab c2 free end C3, transmission arm c3, in the upper side of lifting arm c1, several intervals are equipped on transmission arm c3 and are set in horizontally disposed and transmission arm c3 The location hole c31 set, location hole c31 are elliptical aperture.

Stop sleeve c4 is respectively equipped in each location hole c31, stop sleeve c4 is ellipse set, is worn in stop sleeve c4 There is the C-shaped pipes c5 with the circumferentially fixed connection of stop sleeve c4, C-shaped pipes c5 can be forced by being equipped between stop sleeve c4 and C-shaped pipes c5 The open extrusion structure to contract.

The extrusion structure includes the raised c41 that stop sleeve c4 inner wall is arranged in and is axially arranged along stop sleeve c4, Two protrusion c41 are born against at the open both ends of C-shaped pipes c5.

It is respectively equipped with strip groove at the open both ends of C-shaped pipes c5, raised c41 is stuck in strip groove one by one, raised c41 Outer diameter be greater than strip groove internal diameter.

The vacuum slot c6 connecting with C-shaped pipes c5 axial restraint is equipped in C-shaped pipes c5.

Specifically, it is equipped with C-channel in the C-shaped pipes c5 inner wall lower end of the present embodiment, the lower end of vacuum slot c6, which is equipped with, to be stuck in Annulus protrusion in the C-channel.

The cantilever slab c2 is fixed on lifting arm c1 by several connection bolts.

The transmission arm c3 is fixed on the free end of cantilever slab c2 by connecting screw.

The stop sleeve c4 is threadedly coupled with location hole.

The vacuum slot c6 is arranged in parallel.

The working principle of whole equipment is as follows:

Copper foil enters from the feed end of the soft band b3 of annular plastics, after being then transported a segment length, disconnecting device at this time It is cut, and the copper foil after cutting then passes through copper foil suction device and adsorbs the copper foil after cutting and taken by next station ?.

Aluminium sheet carries out clamping movement in every one step of movement, using manipulator.

Specifically, as shown in figure 14, the present embodiment includes connecting on moving arm e1 in horizontally disposed moving arm e1 The U shape block e7 for thering are several one end to connect with the downside moving arm e1, this manipulator further include be stuck in the U-shaped block e7 and with The lifting actuating arm e71 of each U-shaped block e7 connection, the lifting actuating arm e71 are connect with lift drive mechanism.

It is connected between U-shaped block e7 and lifting actuating arm e71 by several fasteners, at the both ends of lifting actuating arm e71 It is respectively equipped with rounded corner.

Specifically, lift drive mechanism includes several lifting driving cylinders connecting with the lifting actuating arm e71, institute The lifting driving cylinder interval setting stated.

Moving arm e1 is connect with lifting device, and lifting device includes any one in cylinder and oil cylinder.

It is equipped at least one lateral blind hole e11 in the side of moving arm e1, certainly, the quantity of lateral blind hole is according to actual It is required that formulate, such as: 1-20.

Two adjacent transverse direction blind hole e11 are parallel to each other.

This manipulator further includes that the lower grip block e2 that one end stretches in lateral blind hole e11 and one end stretch to transverse direction The middle part of upper grip block e3 in blind hole e11 and above lower grip block e2, lower grip block e2 and lateral blind hole e11 are hinged, The middle part of upper grip block e3 and lateral blind hole e11 are hinged, and being connected between lower grip block e2 and upper grip block e3 can force Lower grip block e2 and upper grip block e3 has the torsional spring e4 of reverse motions trend, stretches in lower grip block e2 and upper grip block e3 Vee-block e5 is equipped between one end of lateral blind hole e11 and vee-block e5 is connect with translational drive mechanism, translational drive mechanism driving The vee-block e5 is mobile to force one end far from lateral blind hole e11 lower grip block e2 and upper to the aperture lateral blind hole e11 Grip block e3 is moved toward one another far from one end of lateral blind hole e11 and by piece-holder.

Specifically, upper hinging pin shaft e31 is equipped in the middle part of upper grip block e3, the both ends of upper hinging pin shaft e31 are threaded through On the hole wall of lateral blind hole e11.Secondly, lower hinging pin shaft e21 is equipped in the middle part of lower grip block e2, lower hinging pin shaft e21's Both ends are threaded through on the hole wall of lateral blind hole e11.

The longitudinal hole e12 being connected to one by one with the lateral blind hole e11 is equipped on the upside of moving arm e1, the translation is driven Motivation structure is arranged in longitudinal hole e12.

Specifically, the translational drive mechanism of the present embodiment includes the cylinder e6 being arranged in longitudinal hole e12, cylinder e6's It is connected on telescopic rod in the interlocking bar e61 being vertically arranged, the lower end of interlocking bar e61 is connected with the rear end of vee-block e5.

Prioritization scheme stretches to one end in lateral blind hole e11 equipped with bottom roller e22 in lower grip block e2.

It is located at secondly, stretching to one end in lateral blind hole e11 in upper grip block e3 equipped with upper roller e32, upper roller e32 Right above bottom roller e22.

Further, an inclined-plane in two inclined-planes vee-block e5 is contacted with upper roller e32, another inclined-plane is under Idler wheel e22 contact.

The working principle of the present embodiment is as follows:

Actuating arm e71 is to decline for lift drive mechanism driving lifting, drives moving arm e1 to decline, and driven in translation machine Structure driving vee-block e5 is mobile to force grip block e3 and lower grip block e2 to swing in opposite directions and by piece-holder.

When release, cylinder at this time loses air pressure then to which torsional spring at this time is then realized back under the action of own resilient Bullet, that is, grip block e3 and lower grip block e2 reverse motions in drive.

The moving arm e1 is arranged on translation driving device.

Driven in translation dress includes translating bracket, and the translating bracket is connect by screw rod with driving motor.

As Figure 2-3, this composite aluminum substrate includes aluminium sheet 1, and several through-holes and setting are equipped on aluminium sheet each logical Insulating trip 2 in hole, is equipped with several strip grooves 12 being parallel to each other on any one surface of aluminium sheet 1, is equipped with strip groove in aluminium sheet 1 12 are also connected with prepreg 4 on one side, and the prepreg 4 is equipped with copper foil 5 far from the one side of strip groove 12.

According to LED circuit board made from the composite aluminum substrate, including composite aluminum substrate, which includes aluminium Plate 1 is equipped with the through-hole of several array distributions on aluminium sheet 1, insulating trip 2, and the insulation is respectively equipped in each through-hole Piece thickness is equal with the thickness of aluminium sheet 1.

Several strip grooves 12 being parallel to each other are equipped on any one surface of aluminium sheet 1, the strip groove 12 is parallel to each other, Strip groove 12 is distributed along 1 length of aluminium sheet or width direction, is also connected with semi-solid preparation on one side equipped with strip groove 12 in aluminium sheet 1 Piece 4, the prepreg 4 are 1080 type prepregs.

It is equipped with copper foil 5 far from the one side of strip groove 12 in prepreg 4, the periphery of copper foil 5 is flushed with the circumferential direction of aluminium sheet.

It is connected separately with driving circuit on each insulating trip 2, is connected on copper foil 5 and the driving circuit Electricity Federation LED illuminator.

Above-mentioned structure its can be formed power supply after shine.

Secondly, the through-hole is circular through hole, the insulating trip 2 is round insulation piece, and the insulating trip 2 is inlayed In through-hole.

2 thickness of insulating trip is equal to the thickness of aluminium sheet 1, described after inlaying in through-holes 2 liang of insulating trip of insulating trip 2 End face is flushed with two surfaces of aluminium sheet 1.

12 groove depth of strip groove is less than 1mm.

1 periphery of aluminium sheet is flushed with the periphery of prepreg 4.

4 periphery of prepreg is flushed with the periphery of copper foil 5.

In addition, as shown in figure 15, LED illuminator is circularly and evenly distributed and surrounds to form a circle.

The interface for being located at and surrounding the input of the exchange on the inside of the LED illuminator to form a circle is also connected on driving circuit P1, fuse F1, inductance L1, diode D1 and driving chip U2 and CE1 and CE2 etc. component.

The wiring board of the present embodiment its be applied in downlight.

Embodiment two

The working principle and structure of the present embodiment are basically the same as the first embodiment, and unique different structure is: described Strip groove 12 is arranged along the width direction interval of aluminium sheet 1.

The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.

Claims (10)

1. composite aluminum substrate, including aluminium sheet (1), the insulating trip for being equipped with several through-holes on aluminium sheet and being arranged in each through-hole (2), which is characterized in that be equipped with several strip grooves (12) being parallel to each other on any one surface of aluminium sheet (1), set in aluminium sheet (1) There is being also connected on one side prepreg (4) for strip groove (12), the prepreg (4) is set on one side far from strip groove (12) There are copper foil (5).

2. composite aluminum substrate according to claim 1, which is characterized in that the aluminium sheet (1) is far from strip groove (12) It is equipped with partial veil (6) on one side.

3. composite aluminum substrate according to claim 1, which is characterized in that the through-hole is circular through hole, and described is exhausted Embolium (2) is round insulation piece, and the insulating trip (2) is embedded in through-hole.

4. composite aluminum substrate according to claim 3, which is characterized in that insulating trip (2) thickness is equal to aluminium sheet (1) Thickness, insulating trip (2) insulating trip (2) both ends of the surface described after inlaying in through-holes flush with two surfaces of aluminium sheet (1).

5. composite aluminum substrate according to claim 1, which is characterized in that the strip groove (12) is along aluminium sheet (1) The setting of length direction interval.

6. composite aluminum substrate according to claim 1, which is characterized in that the strip groove (12) is along aluminium sheet (1) The setting of width direction interval.

7. composite aluminum substrate according to claim 5 or 6, which is characterized in that strip groove (12) groove depth be less than 1mm。

8. composite aluminum substrate according to claim 1, which is characterized in that the prepreg (4) is that 1080 types half are solid Change piece.

9. composite aluminum substrate according to claim 1, which is characterized in that aluminium sheet (1) periphery and prepreg (4) Periphery flush.

10. composite aluminum substrate according to claim 9, which is characterized in that prepreg (4) periphery and copper foil (5) periphery flushes.